Orbital Elements of Double Stars: ADS 277 Marco Scardia, Jean-Louis Prieur, Luigi Pansecchi, Robert Argyle

Orbital elements of double stars: ADS 277 Marco Scardia, Jean-Louis Prieur, Luigi Pansecchi, Robert Argyle

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Marco Scardia, Jean-Louis Prieur, Luigi Pansecchi, Robert Argyle. Orbital elements of double stars: ADS 277. Information circular - IAU Commission 26. Double stars, IAU, 2008, 164, pp.1. hal- 00340027

HAL Id: hal-00340027 https://hal.archives-ouvertes.fr/hal-00340027 Submitted on 23 Nov 2019

HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26

(DOUBLE STARS)

INFORMATION CIRCULAR No. 164 (FEBRUARY 2008)

NEW ORBITS

ADS Name P T e Ω(2000) 2008 Author(s) α2000δ n a i ω Last ob. 2009

277 A 647 372y71 1876.01 0.292 39◦4 101◦8 00067 SCARDIA 00205+4531 0.9659 000947 122◦0 136◦8 2006.036 100.8 0.67 et al. (**)

- HDS 102 46.76 2015.92 0.730 38.6 103.5 0.137 CVETKOVIC 00469+4339 7.6995 0.229 118.7 67.2 2001.7609 96.2 0.133

1763 EGG 2 Aa 109.86 2094.27 0.540 132.6 173.2 0.225 CVETKOVIC 02186+4017 3.2770 0.344 66.0 288.7 1999.8313 175.9 0.222

4396 A 2657 60.43 1964.86 0.466 20.1 224.2 0.172 DOCOBO 05482+0137 5.9573 0.137 18.9 350.4 1999.8833 227.5 0.167 & LING

- FIN 382 28.28 1992.42 0.303 179.9 330.1 0.185 CVETKOVIC 05542-2909 12.7298 0.218 113.3 45.1 1993.0951 322.4 0.161

- RST 4816 28.46 2018.86 0.647 102.3 112.3 0.394 CVETKOVIC 06362-3608 12.6486 0.275 110.3 140.9 1996.1807 110.6 0.393

- FIN 322 59.59 1967.31 0.235 59.9 305.4 0.085 CVETKOVIC 06493-0216 6.0418 0.145 118.6 237.8 1997.1256 297.5 0.088

6526 A 1580 257. 2015.15 0.178 107.8 289.4 0.258 DOCOBO 08017-0836 1.4008 0.313 55.3 197.3 2003.9604 290.5 0.258 & LING

- FIN 366 85.35 1965.84 0.609 149.4 36.1 0.135 CVETKOVIC 11495-4604 4.2178 0.269 73.3 83.6 1995.1027 40.0 0.132

- BLA 3 4.212 2009.443 0.569 15.3 29.9 0.147 DOCOBO 16171+5516 85.4701 0.129 107.7 119.4 2001.2711 10.7 0.099 et al. (*)

15992 HU 388 535. 1934.36 0.827 8.8 58.7 0.514 DOCOBO 22302+2228 0.6729 0.518 31.5 265.0 2005.883 59.1 0.517 & LING

1 NEW ORBITS (continuation)

ADS Name P T e Ω(2000) 2008 Author(s) α2000δ n a i ω Last ob. 2009

16561 BU 385 AB 830. 1721.18 0.433 44.2 86.0 0.664 LING 23103+3229 0.4337 0.623 131.6 152.2 2005.821 85.8 0.666

(*) DOCOBO, TAMAZIAN & MELIKIAN (**) SCARDIA, PRIEUR, PANSECCHI & ARGYLE

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8 Errata in Information Circular No. 163

Dr. W. I. Hartkopf noted in the entry for WDS 04093-0756 (A 469), the value of the semi-major axis a should be 0.2986 arcsec, rather than 2.435

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